T-Mobile Hotspot contact information costs 2nd T-Mobile Hotspot Web site T-Mobile Wi-Fi service provider 2nd Targus Defcon cable lock alarm Defcon Motion Data Protection (MDP) card Targus PDA mouse TCP/IP network settings displaying TCP/IP (Transmission Control Protocol/Internet Protocol) Telia Homerun Web site testing encrypted wireless network access Wi-Fi PC Cards 2nd 3rd Think Outside Web site ThinkPad (Windows laptop) Til-Tek Antennas Web site Tiny Software Web site topologies (networks) 2nd 3rd 4th topology home networks 2nd Transmission Control Protocol/Internet Protocol (TCP/IP) transmission speeds 2nd transmitting pictures digital photography 2nd all-in-one PDAs 2nd digital picture frames streaming video tree topology (networks) troubleshooting access points setting up 2nd interference DSSS (Direct Sequence Spread Spectrum), 802.11b standard radio spectrums Internet access intrerference DSSS (Direct Sequence Spread Spectrum) networks Ipconfig program 2nd 3rd 4th Tungsten C tuning PC cards 2nd 3rd tuning PC cards